Show more helpful error messages when uploaded shapefile is missing necessary parts (like .prj)

Author: underbluewaters

packages/spatial-uploads-handler/src/geostatsForVectorLayer.ts

@@ -68,6 +68,9 @@ export async function geostatsForVectorLayers(
     hasZ: false,
   } as GeostatsLayer;
   const dataset = await gdal.openAsync(filepath);
+  if (dataset.srs === null) {
+    throw new Error("No spatial reference system found in dataset.");
+  }
   dataset.layers.forEach((lyr, lidx) => {
     const extent = lyr.getExtent();
     if (extent) {

packages/spatial-uploads-handler/src/handleUpload.ts

@@ -232,7 +232,6 @@ export default async function handleUpload(
       }
     }
     if (!sourceUrl) {
-      console.log(outputs);
       throw new Error("No sourceUrl found");
     }
 
@@ -242,14 +241,6 @@ export default async function handleUpload(
     await putObject(logPath, s3LogPath, logger);
     const geostats = Array.isArray(stats) ? stats[0] : stats;
 
-    console.log(
-      "buliding response",
-      outputs.map((o) => ({
-        ...o,
-        local: undefined,
-        filename: o.filename,
-      }))
-    );
     const response: { layers: ProcessedUploadLayer[]; logfile: string } = {
       layers: [
         {

packages/spatial-uploads-handler/src/processVectorUpload.ts

@@ -94,6 +94,36 @@ export async function processVectorUpload(options: {
       "Problem finding shapefile in zip archive",
       1 / 30
     );
+
+    // Make sure there is also a .prj projection file
+    const projFile = await logger.exec(
+      [
+        "find",
+        [
+          workingDirectory,
+          "-type",
+          "f",
+          "-not",
+          "-path",
+          "*/.*",
+          "-not",
+          "-path",
+          "*/__",
+          "-name",
+          "*.prj",
+        ],
+      ],
+      "Problem finding projection file (.prj) in zip archive",
+      1 / 30
+    );
+
+    if (!projFile) {
+      throw new Error("No projection file found (.prj) in zip archive");
+    }
+    if (!shapefile) {
+      throw new Error("No shape-file (.shp) found in zip archive");
+    }
+
     // Consider that there may be multiple shapefiles in the zip archive
     // and choose the first one
     workingFilePath = shapefile.split("\n")[0].trim();